The Mysterious Narwhal
In cold, dark oceans lives a kind of whale called the narwhal. Kind of unsettling at first because of that single long horn growing out of its head like the mythical unicorn horse thing. It is difficult enough to study creatures who cannot have a discussion and answer questions, but even more so with elusive sea critters. Narwhal illustration from Harper's , 1902, via Flickr / Internet Archive The horn is used to puncture ships below the waterline, causing them to sink — "No, Cowboy Bob, you're thinking of the Nautilus submarine in 20,000 Leagues Under the Sea ". Oh, right. Well, the submarine did have a pointed thing, but never mind. As I said earlier, it can be difficult to learn about elusive sea creatures. There are many speculations that seem reasonable, and we can hope for further research. The horn is not a horn, but a tusk — a very large tooth. Unlike our teeth, the sensitive part is on the outside, and the narwhal may be able to sense changes